645169

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 16

約数和(自身を含む): 787968

約数和(自身を除く): 142799

約数列:

[1, 7, 37, 47, 53, 259, 329, 371, 1739, 1961, 2491, 12173, 13727, 17437, 92167, 645169]

約数ペア:

[(1, 645169), (7, 92167), (37, 17437), (47, 13727), (53, 12173), (259, 2491), (329, 1961), (371, 1739)]